Bentuk rasional dari 5+15​6​−3​​ adalah ....

Pertanyaan

Bentuk rasional dari Error converting from MathML to accessible text.adalah ....

  1. begin mathsize 14px style fraction numerator 5 square root of 5 plus 3 square root of 6 minus square root of 10 minus 3 square root of 15 over denominator 10 end fraction end style    

  2. begin mathsize 14px style fraction numerator 3 square root of 5 plus 5 square root of 6 minus 3 square root of 10 minus square root of 15 over denominator 10 end fraction end style 

  3. begin mathsize 14px style fraction numerator 5 square root of 5 plus 3 square root of 6 minus 5 square root of 3 minus 3 square root of 10 over denominator 10 end fraction end style 

  4. begin mathsize 14px style fraction numerator 3 square root of 5 plus 5 square root of 6 minus 5 square root of 3 minus 3 square root of 10 over denominator 10 end fraction end style 

N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

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Perhatikan bahwa

begin mathsize 12px style fraction numerator square root of 6 minus square root of 3 over denominator 5 plus square root of 15 end fraction equals blank fraction numerator square root of 6 minus square root of 3 over denominator 5 plus square root of 15 end fraction cross times fraction numerator 5 minus square root of 15 over denominator 5 minus square root of 15 end fraction equals fraction numerator open parentheses square root of 6 cross times 5 close parentheses minus open parentheses square root of 3 cross times 5 close parentheses minus open parentheses square root of 6 cross times square root of 15 close parentheses plus left parenthesis square root of 3 cross times square root of 15 right parenthesis over denominator 5 squared minus open parentheses square root of 15 close parentheses squared end fraction equals fraction numerator 5 square root of 6 minus 5 square root of 3 minus square root of 90 plus square root of 45 over denominator 25 minus 15 end fraction equals fraction numerator 5 square root of 6 minus 5 square root of 3 minus square root of 9 cross times 10 end root plus square root of 9 cross times 5 end root over denominator 10 end fraction equals fraction numerator 5 square root of 6 minus 5 square root of 3 minus 3 square root of 10 plus 3 square root of 5 over denominator 10 end fraction equals fraction numerator 3 square root of 5 plus 5 square root of 6 minus 5 square root of 3 minus 3 square root of 10 over denominator 10 end fraction end style   

Jadi, bentuk rasional dari begin mathsize 14px style fraction numerator square root of 6 minus square root of 3 over denominator 5 plus square root of 15 end fraction end style adalah undefined.

Dengan demikian, jawaban yang tepat adalah D.

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